/*
 * Copyright 2010-2016 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jetbrains.kotlin.ir.declarations.impl

import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.ir.declarations.IrExternalPackageFragment
import org.jetbrains.kotlin.ir.declarations.IrFile
import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
import kotlin.collections.ArrayList

class IrModuleFragmentImpl(
        override val descriptor: ModuleDescriptor,
        override val irBuiltins: IrBuiltIns
) : IrModuleFragment {
    constructor(descriptor: ModuleDescriptor, irBuiltins: IrBuiltIns, files: List<IrFile>) : this(descriptor, irBuiltins) {
        this.files.addAll(files)
    }

    override val files: MutableList<IrFile> = ArrayList()

    override val externalPackageFragments: MutableList<IrExternalPackageFragment> = ArrayList()

    override val dependencyModules: MutableList<IrModuleFragment> = ArrayList()

    override fun <R, D> accept(visitor: IrElementVisitor<R, D>, data: D): R =
            visitor.visitModuleFragment(this, data)

    override fun <D> acceptChildren(visitor: IrElementVisitor<Unit, D>, data: D) {
        files.forEach { it.accept(visitor, data) }
    }

    override fun <D> transformChildren(transformer: IrElementTransformer<D>, data: D) {
        files.forEachIndexed { i, irFile ->
            files[i] = irFile.transform(transformer, data)
        }
    }
}